a:6:{i:0;s:9:"charge_id";i:1;s:7:"minimum";i:2;s:7:"maximum";i:3;s:5:"price";s:3:"_pk";s:9:"charge_id";s:5:"_type";a:4:{s:9:"charge_id";s:20:"smallint(4) unsigned";s:7:"minimum";s:20:"smallint(4) unsigned";s:7:"maximum";s:20:"smallint(4) unsigned";s:5:"price";s:20:"smallint(4) unsigned";}}